SA3 marksYear: 2023MediumCBSE Class 10
quadratic-equationsequal-rootsdiscriminant

Question

Find the value of '' for which the quadratic equation has two equal real roots.

Solution

1
. Here , , .
+1 mark
2
For equal roots:
+1 mark
3
or . Since is rejected (equation won't be quadratic), .
+1 mark

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