the area of the rectangle. 14. Usin...
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the area of the rectangle. 14. Using suitable identities, find the product of (x2 + x - 2)(x2 - x + 2).

11th - 12th Class
Maths
Solution
138
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( left(x^{2}+x-2right)left(x^{2}-x+2right) ) ( left(x^{2}+(x-2)right)left(x^{2}-(x-2)right. ) ( (a+b)(a-b)=a^{2}-b^{2} ) ( x^{4}-(x-2)^{2} ) ( x^{4}-left(x^{2}+4-4 xright) ) ( x^{4}-x^{2}+4 x-4 )
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