Math, asked by mnasir2, 4 months ago

use identity and solve (7y-3)(7y+3)
fast I'll mark as BRAINLIEST your answer

Answers

Answered by Mohanto

0

Answer:

√3/ 2√3 + √2

Step-by-step explanation:

(7y-3)(7y+3)

= 14y2 + 21y - 21y -9

= 14y2 - 9

=> y2 = 9/14

=> y = √3/ 2√3 + √2

Answered by chitrakandasamy2401

0

Answer:

( 7y - 3) (7y +3)

7y (7y+3) - 3 (7y+3 )

49y²+21y-3(7y+3)

49y²+21y-21y-9

49y²-9

Previous Question

Next Question

Similar questions

Math, 2 months ago

Two containers contain 25 litres and 30 litres of mixtures of milk and water respectively. The ratios of milk and water in the two containers are 4 : 1 and 5: 1 respectively. If the entire mixture of both the containers are poured into a third container, what will be the ratio of milk and water in that container ?

Math, 2 months ago

please tell me fast ⏩⏩⏩...

Science, 2 months ago

what is acceleration ??

English, 4 months ago

Who know the answers... please include the answers if know ...

Biology, 4 months ago

how are fungi different form plants ...

Math, 10 months ago

2x^3-13x^2+9x-16/(x-6) by long division method...

Science, 10 months ago

___crop is harvest inoctober...

Physics, 10 months ago

A particle is moving with uniform acceleration along a straight line. Its velocities at points A and B are respectively 7 m/s and 17 m/s. M is mid point of A and B. If t, is the time taken to go from A to M and t, the time taken to go from M to B. ty then ratio of is equal to...