English, asked by Parambrata2009, 5 hours ago

8. By what number (-8)-1 should be multiplied so that the product becomes equal
to (- 6)-1?
9. By what number (- 18)-1 should be divided so that the quotient becomes equal to 6-1?​

Answers

Answered by 1harshini
8

Answer:

8. let the no. be X

(-8)-1× x=(-6)-1

= 1/8 × x = 1/6

= x =1/6 ÷ 1/8

= x = 1/6 × 8

= x = 4/3

Hence, the answer is 4/3.

9. (-3) ^-1

 

x*(6)^-1=(-18)^-1

x=(-18)^-1/(6)^-1

x=(-3)^-1

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