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1st Year Mathematics Full Book Paper1st Year · Mathematics · Punjab (PTB)
Q1. Multiple choice questions (Attempt all · 20 × 1 = 20)
Multiplicative inverse of (1,0) is:
The improper fraction can be changed into proper fraction by:
The (0,0) solution of the system a1x+b1y=0 and a2x+b2y=0 is called ......:
The expansion of
is valid if ......:
Angle in semi circle is:
Sin 196o =......:
nCn-r is equal to:
Period of 2 cos 3x is equal to:
If f:
is a function such that rang
, then f is called a/an ...... function:
The derivative of
equals ......:
: (or sum of first n term):
If x-a is factor of f(x) then f(x)=0, x=a is called:
To solve absolute value quadratic function we must illuminate roots which are:
If
Conditional equation 3x-1=0 is truly only is ......:
For homogeneous linear equations, system AX=0 non-trivial solution is possible if IAI = ......:
The inequality 4n>3n+2n-1 is true for integral values of n if ......:
A vector with magnitude 1 is called:
=?
Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)
Find the domain and range of
.
Solve the following:
Without expansion show that:
=0
Resolve
into partial fractions.
If
then find: z1+z2
Given f(x)=x3-2x2+4x-1 find: f(-2)
Solve the following:
If
them compute A2B.
Resolve
into partial fraction.
If
then find the following and express the result into x+
y form: z1+z2
Given f(x)=x3-2x2+4x-1 find: f(0)
Find the inverse of
. Also find its domain and range.
Q3. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)
If nPr = 120 and nCr=20, find r.
Using the binomial theorem, show that 11n-10n leaves a remainder 1 when divided by 100 for all positive integers n.
A sum of Rs. 10400 is paid off in 40 installment such that each installment is Rs. 10 more than the preceding installment. Calculate the value of the first installment.
Without using the table, find the value of: cos (-240o).
When the polynomial 4x4+2x3+kx2+13 is divided by x+1, the remainder is 16. Find the value of k.
In how many ways can 5 couples sit around a round table if no two women are sitting together?
Suppose you aim to lose weight by reducing your calories intake by 50 calories each week. If you start at 2500 calories, prove that after n weeks, your daily intake is 2500-50n calories.
Write down the nth term of the following sequence:
If
are the angles of a triangle ABC, then prove that:
Use factor theorem to find the values of a and b if -2 and 2 are the roots of the polynomial 2x3+4x2+ax+b.
Write the following in factorial form: n(n-1)(n-2)...(n-r+1)
Expand the following upto 4 term, taking the values of x such that the expansion in the following case valid:
Q4. Short questions (Attempt any 9 of 13 · 9 × 2 = 18)
Find the maximum and minimum values of the following function:
Let u=3i+2j-5k, v=i-5j-k and w=-4i-j+7k. Find the following: I3v+wI.
The value of an investment grows according to the formula for continuous compounding A(t) = Poert, where Po is the initial principal, r is the annual interest rate, and t is the time rate in years. What happens to the value of the investment as
.
Find from principle, the derivatives of the following expressions w.r.t their respective independent variables: (3x-2)-2
Find the maximum and minimum values of the following function:
Find the moment about the point M(-2,4,6) of the force represented by
, where coordinates of points A and B are (1,2,-3) and (3,-4,2) respectively.
The apparent brightness B(d) of a star decreases as the distance from Earth increases following the inverse square law
, where L is the star's luminosity. Find the limit of the brightness as
.
Find the derivative of the following function by definition: f(x)=c
Determine whether the following functions are even, odd or neither odd nor even:
Find the vector whose magnitude is 5 and is parallel to 3i+4j-k
A company weekly sales (in thousands) follow the function
. What is the limit of S(t) as
and what does it represent?
Find by definition, the derivatives w.r.t 'x' of the following function defined as:
A giant Ferris wheel has a diameter of 60 feet. The lowest point of the wheel is located 6 feet above the ground. The wheel completes one full revolution every 80 seconds. Made an equation that represent the height (t) of a rider on the Ferris wheel at any given time t.
Q5. Long questions (Attempt any 3 of 5 · 3 × 10 = 30)
Find the number of the diagonals of a 6-sided figure.
Resolve the following into partial fraction:
Use mathematical induction to prove that
whenever n is non-negative integer.
Differentiate w.r.t 'x':
Prove that: