Question

Solve :
a) (3^-1 + 4^-1 ) 2
b) [ (2/5 ) -1 – ( 1/2 ) -1 ] -1​

Answer 1

Answer:

A=⎢⎡15120−1−321⎦⎤,B=⎣⎡342−120

253⎦⎥ and C=⎣⎡40113−2223⎦⎤, then

compute (A+B) and (B−C). 

Also, verify that A+(B−C)=(A+B)−C

Answer 2

Answer:

a)

(1/3+1/4)x2

7/12x2

7/6

b)

(-2/5+1/2)-1

(-4+5/10)-1

-1/10

Step-by-step explanation:

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