यदि (p(x)=x-2+ax+b), (p(2)=0) और (p(4)=0), तो (a+b) क्या है?

If (p(x)=x-2+ax+b), (p(2)=0), and (p(4)=0), what is (a+b)?

Explanation opens after your attempt
Correct Answer

C. (2)

Step 1

Concept

The zeros are (2) and (4), so the polynomial is ((x-2)(x-4)=x-2-6x+8). Hence (a+b=-6+8=2).

Step 2

Why this answer is correct

The correct answer is C. (2). The zeros are (2) and (4), so the polynomial is ((x-2)(x-4)=x-2-6x+8). Hence (a+b=-6+8=2).

Step 3

Exam Tip

शून्य (2) और (4) हैं, इसलिए बहुपद ((x-2)(x-4)=x-2-6x+8) है। अतः (a+b=-6+8=2)।

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Mathematics Answer, Explanation and Revision Hints

यदि (p(x)=x-2+ax+b), (p(2)=0) और (p(4)=0), तो (a+b) क्या है? / If (p(x)=x-2+ax+b), (p(2)=0), and (p(4)=0), what is (a+b)?

Correct Answer: C. (2). Explanation: शून्य (2) और (4) हैं, इसलिए बहुपद ((x-2)(x-4)=x-2-6x+8) है। अतः (a+b=-6+8=2)। / The zeros are (2) and (4), so the polynomial is ((x-2)(x-4)=x-2-6x+8). Hence (a+b=-6+8=2).

Which concept should I revise for this Mathematics MCQ?

The zeros are (2) and (4), so the polynomial is ((x-2)(x-4)=x-2-6x+8). Hence (a+b=-6+8=2).

What exam hint can help solve this Mathematics question?

शून्य (2) और (4) हैं, इसलिए बहुपद ((x-2)(x-4)=x-2-6x+8) है। अतः (a+b=-6+8=2)।