Math, asked by romilrajput05054, 2 months ago

if 1/2 is a root of the equation x square +kx-5/4=0 then find the value of k

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Answered by ritpandey720

Answer:

अपने पंचायत के सरपंच को एक पत्र लिखिए जिस से ग्राम के समस्त धरो मे शौचालय की एयवस्था करने विषयक निवेदन हो।

Answered by rohanjha98521

Step-by-step explanation:

1/2is a root of quadratic equation. ∴

∴ It must satisfy the quadratic equation.

x2 + kx - 5454 = 0

(12)2(12)2 + k(12)(12)- 5454 = 0 ⇒ 1414 + k2k2- 5454 = 0 1+2k−541+2k−54 = 0 ⇒⇒ 2k - 4 = 0 ⇒⇒ k = 2Read more on Sarthaks.com - https://www.sarthaks.com/28375/if-1-2-is-a-root-of-the-equation-x-2-kx-5-4-0-then-find-the-value-of-k

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Pls answer the question below...

if 1/2 is a root of the equation x square +kx-5/4=0 then find the value of k ​

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if 1/2 is a root of the equation x square +kx-5/4=0 then find the value of k