show that 4 x + 7 y whole square minus 4x minus 7 by square is equals to 112 xy
guys plz plz answer fast kyunki Monday ko mera maths ka exam hai
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Step-by-step explanation:
1.(4x+7y)"-(4x-7y)"=112xy 2.16x"+49y"+56xy-16x"-49y"+56xy=112xy 3.112xy=112xy answer is (0)
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