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यदि c^(2) = 4 d है तथा दो समीकरणों x^(...

यदि `c^(2) = 4 d` है तथा दो समीकरणों `x^(2) - ax + b = 0` एवं `x^(2) - cx + d = 0 ` का एक मूल उभयनिष्ठ है, तो `2 ( b + d)` का मान है :
(i) `a/c` (ii) `ac` (iii) `2ac` (iv) `a+c`

A

`(a)/(c)`

B

ac

C

2ac

D

a + c

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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