Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

Q : 6 Using identities, evaluate.

(ix) $10.5\times9.5$

Answers (1)

best_answer

This can be written as :

$10.5\times9.5 = (10 +0.5)\times(10-0.5)$

or $= 10^2 - 0.5^2$ $\because (a+b)(a-b) = a^2 - b^2$

or $= 100 - 0.25$

or $= 99.75$

Posted by

Devendra Khairwa

View full answer

Similar Questions

Trending Articles/News

anam-khan

JNVST 2024: NVS Class 6, 9 results out; documents required for admission

anam-khan

JNVST Class 6, 9 result 2024 likely tomorrow at navodaya.gov.in; cut-off marks, total seats

anam-khan

Navodaya Class 9 results 2024 likely by end of March; expected cut-offs

Latest Question