D:- 2Delta_(1)=Delta_(2)°
Correct Answer:- Option-B
Question19:-The coefficient of *p*(2)q*(3)° in the expansion of *(2p-3q)*(5)° is

B:-720

C:--720

D:-1080

Correct Answer:- Option-A
Question20:-sin 390 tan 30 + sin 120 is

A:*(1)/(2)°

B:-'sqrt(3)/(2)°
C:-*(2)/sqrt(3)*
D:-1

Correct Answer:- Option-C
Question21:-The equation of a straight line making an angle 135° with positive direction of x-axis and cutting an intercept 5
ony axis is

இறுத

D:-y=5x-1

0:-` (1/೮

Correct Answer:- Option-B
Question23:-The sum of two numbers is 2. Find the smallest value possible for the sum of the square of one number and the
cube of the other

A:-1.9354
8:-6
C:+-2.9
0:-5.3583
Correct Answer:- Option-A
Question24:-* int (dx)/((4+x* (2))*(3/2) * is
^ (3)/(2)(4+26^2)^ (1/2) + (`
(4)/sqrt(4+x*2)+ ௦
(x)/(4sqrt(4+x*(2)))* +c
2:- 00/(2)4ഠ
Correct Answer:- Option-C
Question25:-The solution of *dy/dx=(y)/(x(x+1))°
Avy (x+1)=c
B:-xy=c(1+x)
C:-x(xt+y)=cy
D:-y(x+1)=cx
Correct Answer:- Option-D
Question26:-If A is a matrix then A(adj A) is
൧-൧
8:-87(-1)
6:1۱
0:-1
Correct Answer:- Option-C
Question27:-Inverse of the matrix A = ` [[(05 prop,-sin prop],[sin prop,cos prop] is*
[[cos prop, sin prop],[-sin prop, cos prop]]*
-cos prop,-sin prop],[sin prop,-cos prop]]*
[[cos prop,-sin prop],[-sin prop,-cos prop]]
D:-‘[[-cos prop,sin prop],[sin prop,cos prop]] *
Correct Answer:- Option-A
Question28:-The value of x satisfying the following system is 2x-y+33=8; -x+2y+3=4; 3x+y-43=0