Concept-wise Practice

identity method MCQ Questions for Class 9

identity method se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with identity method.

\( 1002^2 \) निकालने के लिए (1002) को किस रूप में लिखना अच्छा है?

To calculate \(1002^2\), how is it good to write (1002)?

Explanation opens after your attempt
Correct Answer

C. (1000+2)

Step 1

Concept

(1002=1000+2), so ( (a+b)2 ) becomes easy. Exam tip: choose a nearby round number.

Step 2

Why this answer is correct

The correct answer is C. (1000+2). (1002=1000+2), so ( (a+b)2 ) becomes easy. Exam tip: choose a nearby round number.

Step 3

Exam Tip

(1002=1000+2) है, इसलिए ( (a+b)2 ) आसान बनेगा। परीक्षा में पास की गोल संख्या चुनें।

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