If 2 + 2 = 37 and = 6 ; Find (i) + (ii) –
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Answer:
(X+Y)^2=X^2+Y^2+2XY
=37+2(6)=49
→ X+Y=√49
=7
::X+Y=7
(X-Y)^2=X^2+Y^2-2XY
(x-Y)^2=37-12-25
→X-Y=5
X^2-Y^2=(X+Y)(X-y)
→ 7*5=35
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