Question

Eind the value of (3 + 4 -¹ ) x 2¹​

Answer 1

( 3 + 4-¹ ) x 2-¹

Any number to the power negative can be reciprocated .

( 3 + 1/4 ) x 1/2

( 4 x 3 + 1 ) / 4 x 1/2

( 12 + 1 ) / 4 x 1/2

13/4 x 1/2

Answer ➡ 13/8