Using suitable identity find the product of [ 2/3 + 5][ 2/3 − 5].
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3 − 5].
Using suitable identity find the product of [ 2/3 + 5][ 2/3 − 5].
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Step-by-step explanation:
Using the identity of (a-b)(a+b)=a²-b²
(2/3+5)(2/3-5)
=(2/3)²-5²
=4/9-25
=(4-225)9
=(-221/9)