(a+b/a) + (a-b/a) = 2b^2/b^2-a^2
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Answer:
we have,
( a × b )² = ( ab sin0 )²
= a²b² sin²0
= a²b² ( - cos² 0 )
= a²b² - a²b² cos²0
= a²b² - ( a.b )² ( Answer )
Answered by ➳ MrKrishhh~ ✨
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