Home
Class 12
MATHS
If A=[(2,3),(5,-2)] then 9A^-1 is equal ...

If `A=[(2,3),(5,-2)]` then `9A^-1` is equal to (A) `A\'` (B) 2A (C) `1/2 A` (D) `A`

Promotional Banner

Similar Questions

Explore conceptually related problems

If [(2x+y,0),(5,x)] = [(5,0),(5,3)] then y is equal to (a) 1 (b) 3 (c) 2 (d) -1

If A=[(5a, -b),(3,2)] and A adj A=A A^T, then 5a+b is equal to: (A) -1 (B) 5 (C) 4 (D) 13

If (x,3)+(2,5)=(7,8) then x is equal to a)2 b)5 c)7 d)9

5 tan^2 A -5sec^2 A+1 is equal to (a) 6 (b) -5 (c) 1 (d) -4

If (x+(1)/(x))=2, then (x-(1)/(x)) is equal to (a) 0 (b) 1 (c) 2 (d) 5

If A= [[2,5],[1,-2]] then |A| is (a) -9 (b) 9 (c) 1 (d) -1

(2^(-1)+3^(-1)+5^(-1))^(0) is equal to (a) 2 (b) 3 (c) 5 (d) 1

1+3/2+5/2^2+7/2^3+……..to oo is equal to (A) 3 (B) 6 (C) 9 (D) 12

If ( x- 3 )/5 - 2 = -1 , then x is equal to ( a ) 8 ( b) 3 ( c ) -7 ( d ) 2