यदि (p(x)=x-2+kx-15) और (p(3)=0), तो (k) क्या है?
If (p(x)=x-2+kx-15) and (p(3)=0), what is (k)?
Explanation opens after your attempt
A. (2)
Concept
(p(3)=9+3k-15=0), so (3k=6) and (k=2). Use the zero condition to find the unknown.
Why this answer is correct
The correct answer is A. (2). (p(3)=9+3k-15=0), so (3k=6) and (k=2). Use the zero condition to find the unknown.
Exam Tip
(p(3)=9+3k-15=0), इसलिए (3k=6) और (k=2)। शून्य की शर्त लगाकर अज्ञात निकालें।
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