Q. 2 A5.0( 1 Vote )
Find the values of k for which the roots are real and equal in each of the following equations
2x2 – 10x + k = 0
Answer :
2x2 – 10x + k = 0
∴ 
⇒ 100 – 8k = 0
⇒ 100 = 8k
= 
∴ 
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