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Find the product of 1/2(4q²+5r²)*(4q²-5r²) and also find its value forp=1,q=-1,r=2 |
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Answer» given q=-1,r=2 1/2(4*1+5*4)(4*1-5*4) 1/2(24)(-20) -10*24 -240 |
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