Concept-wise Practice

8x MCQ Questions for Class 9

8x se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

All Tags Search Similar

Practice Questions

2 questions tagged with 8x.

Question 1/2 Expert Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 64

( (8x+1)2-(8x-1)2 ) का सरल रूप क्या है?

What is the simplified form of ( (8x+1)2-(8x-1)2 )?

Explanation opens after your attempt
Correct Answer

B. (32x)सही मान

Step 1

Concept

This is (4ab), where (a=8x) and (b=1), so (32x) is obtained. Exam tip: take the full term for (a).

Step 2

Why this answer is correct

The correct answer is B. (32x) / सही मान. This is (4ab), where (a=8x) and (b=1), so (32x) is obtained. Exam tip: take the full term for (a).

Step 3

Exam Tip

यह (4ab) है जहाँ (a=8x) और (b=1), इसलिए (32x) मिलता है। परीक्षा में (a) का पूरा पद लें।

Open Question Page
Ask Friends
Question 2/2 Medium Mathematics Exploring Algebraic Identities Algebraic identities Class 9 Level 62

( (x+y+4)2 ) में (8x) किस जोड़ी से आता है?

In ( (x+y+4)2 ), from which pair does (8x) come?

Explanation opens after your attempt
Correct Answer

B. (x) और (4)pair (x) and (4)

Step 1

Concept

\(8x=2\cdot x\cdot4\). Exam tip: identify pair products in the square of three terms.

Step 2

Why this answer is correct

The correct answer is B. (x) और (4) / pair (x) and (4). \(8x=2\cdot x\cdot4\). Exam tip: identify pair products in the square of three terms.

Step 3

Exam Tip

\(8x=2\cdot x\cdot4\) से आता है। परीक्षा में तीन पदों के वर्ग में जोड़ी गुणन पहचानें।

Open Question Page
Ask Friends

8x Revision Links

All MCQ Tags

Browse concept directory

All Subjects

Subject-wise practice

Search 8x

More keyword results