Q 18 If the equation ax2+bx+c=0 and cx2+bx+a=0 may have a common root, then prove that a + b - Maths - Quadratic Equations

Question

Q 18 If the equation a x 2 + b x + c = 0   a n d   c x 2
+ b x + a = 0 may have a common root, then prove that a + b + c or
a - b + c = 0

Hari Shankar · Accepted Answer

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Q.18. If the equation a x 2 + b x + c = 0 a n d c x 2 + b x + a = 0 may have a common root, then prove that a + b + c or a - b + c = 0.