Math, asked by semu35789, 9 months ago

find the roots of the following quadratic equations if they exist by the method of completing by the square
X2+4x+5=0​

Answers

Answered by mhanifa
3

Answer:

No roots

Step-by-step explanation:

x²+4x+5=0​

x²+4x+4+1=0

​(x+2)²=-1

There is no rational root as the square can't be negative

Answered by tanmayanilmahalley
3

Answer:

Step-by-step explanation:

x^2 + 4x + (4 +1)=0

(x^2 + 4x + 4) + 1 =0

(x + 2)^2 = -1

As LHS will always greater than or equal to 0 whereas RHS = (-1) .

Thus LHS not equal to RHS .

Hence roots doesn't exist

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