Math, asked by tkrunaalreddy, 9 months ago

If m n = ( −2 9 ) 9 ÷ ( −2 9 ) 7 then find ( m n ) 2

Answers

Answered by lalitanegi1987

1

Step-by-step explanation:

ANSWER

m4n4×6m2n2×3m2n2=(mn)k

⇒(mn)4/2×(mn)2/6×(mn)2/3=(mn)k

⇒(mn)2+31+32=(mn)k

⇒k=2+31+32

∴ k=3.

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