Math, asked by samerf, 1 year ago

please solve the question 7

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Answered by vishalsaini

1.
$\sqrt{7x + 5} = 4 \\ 7x + 5 = {4}^{2} \\ 7x = 16 - 5 \\ 7x = 11 \\ x = \frac{11}{7}$
2. 2x + 3 = 5^3
= 2x + 3 = 125
2x = 125 - 3
x = 122/2
x = 61

3. x^2 + 2 = 3^3
x^2 = 27 - 2
x = _/25
= 5

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vishalsaini: is this ok

samerf: root Kyi hta

samerf: 2nd mai

kousikmaity157: niceeee

vishalsaini: jab square root htate hab tab power 2 lgate hai and jab cube root htate hai tab power 3 lgate hai

samerf: you are very Intelligent

kousikmaity157: yes you are right

vishalsaini: thanks

Answered by ViratKohli3618

Hope it Helps.......

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samerf: cheater

vishalsaini: haha

vishalsaini: no problem

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