Question

find :- (7-¹-8-¹) -¹ -(3-¹-4-¹) -¹
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Answer 1

Step-by-step explanation:

a^-1 = 1/a

1 1 1

__ - ___ = __

7 8 56

(7^-1 - 8^-1)^-1= (1/56)^-1 = 56 --A

1 1 1

__ - __ = __

3 4 12

(3^-1 - 4^-1)^-1 =(1/12)^-1= 12 --B

A-B = 56-12 = 44