Question

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

Answer 1

Answer:

a) [3−1× 4−1]2=(3×4)21=(12)21=(4×3)21=(42×3)21

Answer 2

a) 1/2

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