यदि (p(x)=3x-2+bx-10) में (x=2) एक शून्य है, तो (b) का मान क्या होगा?

If (x=2) is a zero of (p(x)=3x-2+bx-10), what will be the value of (b)?

Explanation opens after your attempt
Correct Answer

A. (-1)

Step 1

Concept

(p(2)=12+2b-10=0), so (2b=-2) and (b=-1). When a zero is given, set the polynomial value equal to (0).

Step 2

Why this answer is correct

The correct answer is A. (-1). (p(2)=12+2b-10=0), so (2b=-2) and (b=-1). When a zero is given, set the polynomial value equal to (0).

Step 3

Exam Tip

(p(2)=12+2b-10=0), इसलिए (2b=-2) और (b=-1)। शून्य दिए होने पर बहुपद का मान (0) रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=3x-2+bx-10) में (x=2) एक शून्य है, तो (b) का मान क्या होगा? / If (x=2) is a zero of (p(x)=3x-2+bx-10), what will be the value of (b)?

Correct Answer: A. (-1). Explanation: (p(2)=12+2b-10=0), इसलिए (2b=-2) और (b=-1)। शून्य दिए होने पर बहुपद का मान (0) रखें। / (p(2)=12+2b-10=0), so (2b=-2) and (b=-1). When a zero is given, set the polynomial value equal to (0).

Which concept should I revise for this Mathematics MCQ?

(p(2)=12+2b-10=0), so (2b=-2) and (b=-1). When a zero is given, set the polynomial value equal to (0).

What exam hint can help solve this Mathematics question?

(p(2)=12+2b-10=0), इसलिए (2b=-2) और (b=-1)। शून्य दिए होने पर बहुपद का मान (0) रखें।