If X+Y =[(7,0),(2,5)] and X-Y=[(3,0),(0,...

If `X+Y =[(7,0),(2,5)]` and `X-Y=[(3,0),(0,3)]` , then the sum of the elements of the matrix `3X-4Y` is equal to

A

14

B

16

C

12

D

25

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

If X+Y=[(7,0),(2,5)] and X-Y=[(3,0),(0,3)] , then the matrix X is :

Find X and Y ,if X+Y =[(7,0),(2,5)] and X-Y= [(3,0),(0,3)]

If X+Y=[[7,0],[2,5]],X-Y=[[3,0],[0,3]] then Y is

Find X and Y if X+Y =[ [7,0], [2,5]] and X-Y = [[3,0],[2,3]]

If 2 [{:(3, 4),(5,x):}] +[{:(1,y),(0,1):}] = [{:(7,0),(10,5):}] , then values of x and y are

If x>0 , y>0 and x^(2)y^(2)=6 , and if the least value of 3x+4y is P then the sum of digits in P is equal to.

If y=3x+c is a tangent to the circle x^(2)+y^(2)-2x-4y-5=0, then c is equal to :

The coefficient of the variable y in linear equation 5(2x-y)+3x+4y-7=0