\( 45\times55 \) को किस पहचान से जल्दी निकाला जा सकता है?

Which identity can quickly find \( 45\times55 \)?

Explanation opens after your attempt
Correct Answer

C. ( (a+b)(a-b)=a-2-b-2 )

Step 1

Concept

(45\times55=(50-5)(50+5)). Exam tip: use difference of squares for numbers around the same centre.

Step 2

Why this answer is correct

The correct answer is C. ( (a+b)(a-b)=a-2-b-2 ). (45\times55=(50-5)(50+5)). Exam tip: use difference of squares for numbers around the same centre.

Step 3

Exam Tip

(45\times55=(50-5)(50+5)) है। परीक्षा में समान केंद्र वाली संख्याएँ अंतर वर्ग से करें।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

\( 45\times55 \) को किस पहचान से जल्दी निकाला जा सकता है? / Which identity can quickly find \( 45\times55 \)?

Correct Answer: C. ( (a+b)(a-b)=a-2-b-2 ). Explanation: (45\times55=(50-5)(50+5)) है। परीक्षा में समान केंद्र वाली संख्याएँ अंतर वर्ग से करें। / (45\times55=(50-5)(50+5)). Exam tip: use difference of squares for numbers around the same centre.

Which concept should I revise for this Mathematics MCQ?

(45\times55=(50-5)(50+5)). Exam tip: use difference of squares for numbers around the same centre.

What exam hint can help solve this Mathematics question?

(45\times55=(50-5)(50+5)) है। परीक्षा में समान केंद्र वाली संख्याएँ अंतर वर्ग से करें।

Student Class Required

Select your class first

Quiz questions, daily challenge and practice pages will open according to your selected class. Class 11/12 ke liye stream bhi select karein.