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Posted by Aditya Gour 6 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Deepshikha Mishra 6 years, 5 months ago

Yes yhe forst answer is right

0Thank You

Yogita Ingle 6 years, 5 months ago

(399)² = (400 -1)²
= (400)² + 1² - 2 (400)(1)
= 160000 + 1 - 800
= 159200 + 1
= 159201

3Thank You

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Posted by Sheikh Alfaz 1 month, 2 weeks ago

CBSE > Class 09 > Mathematics

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Posted by Manas Khurana 6 months, 2 weeks ago

CBSE > Class 09 > Mathematics

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2x²+[1×(8x²)^-1]+1

Posted by Less Goo 1 year, 4 months ago

CBSE > Class 09 > Mathematics

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Posted by Yash Pandey 6 months, 1 week ago

CBSE > Class 09 > Mathematics