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(2x)square+8x-(m)cube=0 roots are equal we have to find m In this sum sir did alpha+β=-b/a But alpha+β=2alpha How it 2alpha
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Equations chapter video no. 11 1problem of to find what is m
If you can share a pic of illustration, we can resolve it quicker.
Thank you mam
alpha + beta = -b/a But since given, equal roots: alpha = beta alpha + alpha = 2 alpha = -b/a
