If two equations `x^2 +cx + ab = 0` and `x^2 +bx + ca = 0` have a common root, show that `a + ...
2,900 views · Published 12 October 2018 · 2:27 · Indexed 2 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If two equations `x^2 +cx + ab = 0` and `x^2 +bx + ca = 0` have a common root, show that `a + b + c=0. `
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