Math, asked by sarvesh1926, 3 months ago

16)using identity , find (2x + 5)2 - (2x – 5)2
(17) find the value of n , if ( – 2/3)4 = (– 2/3)3 = (-3/2)n pls do it with steps
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Answered by gangulysubholaxmi
1

Answer:

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