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If the equations x^2+p x+q=0 and x^2+p^(...

If the equations `x^2+p x+q=0 and x^2+p^(prime)x+q^(prime)=0` have a common root, then it must be equal to a.`(p^(prime)-p ^(prime) q)/(q-q^(prime))` b. `(q-q ')/(p^(prime)-p)` c. `(p^(prime)-p)/(q-q^(prime))` d. `(p q^(prime)-p^(prime) q)/(p-p^(prime))`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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