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if the ratio of two roots of the quadratic equation ax2+bx+c=0[a not equal to 0] is 1:r, then show that r+12 r = 0 b2 ac |
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Answer» ax2+bx+c=0 roots are 2a−b+b2−4ac α=2a−b+b24ac β=2a−b−b2−4ax r=βα=(−b+b2−4ac−b+b24ac) =−(b+b2−4ac)b−b2−4ac×b−b2−4acb−b2−4ac |
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