CBSE BOARD X, asked by khansuhu5885, 1 month ago

द्विघात समीकरण /2x ² + 7x + 5/2 = 0 के हल गुणनखण्ड विधि से ज्ञात करो ।

द्विघात समीकरण  \sqrt{?} 2x ² + 7x + 5/2 = 0 के हल गुणनखण्ड विधि से ज्ञात करो ।

Answers

Answered by dkchakrabarty01
2

Answer:

It can be written as 4x^2+14x+5=0

Explanation:

4x^2+2.7.x+49-49+5=0

(2x+7)^2-44=0

(2x+7)^2=(√44)^2=(2√11)^2

2x+7=2√11, x=(2√11-7)/2

2x+7=-2√11, x=-(7+2√11)/2

two answers: (2√11-7)/2 and -(2√11+7)/2

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