Math, asked by gogogogo8345, 1 year ago

Write the value of lambda for which x square+4x +lambda=0 has equal roots

Answers

Answered by chayandeep95
12
4×4-lambda×4=0
lambda=4
Answered by GulabLachman
16

Answer:

4

Step-by-step explanation:

The formula when two roots of a quadratic equation are same-

b square - 4ac = 0

Here b=4 a=1 c= lambda

Therefore

16-4lambda=0

Or, lambda = 16/4= 4

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