1.

If the sum of squares of zeroes of the quadratic polynomial f(X)2-8x + kis 40. Find te valued k

Answer»

addition of roots=8=a+bmultiplication of roots=ab=know a^2+b^2=40a+b=8so a^2+2ab+b^2=6440+2k=64so 2k=24so k=12

bhai smj me nahi aay



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