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Question Number 189131 by Shrinava last updated on 12/Mar/23

Answered by cortano12 last updated on 12/Mar/23

$$\sqrt{19+2\sqrt{4\times 15}}=2+\sqrt{15}$$

Answered by BaliramKumar last updated on 12/Mar/23

$$2.solution:-$$$$$$$$x^2+6x-4y^2-16y-7$$$$\underset{}{\underbrace{x^2+2\left(x\right)\left(3\right)+3^2}}-\underset{}{\underbrace{3^2-{\left(2y\right)}^2-2\left(2y\right)\left(4\right)-4^2+4^2-7}}$$$${(x+3)}^2-{(2y+4)}^2$$$$(x+2y+7)(x-2y-1)$$

Commented by Shrinava last updated on 13/Mar/23

$$\mathrm{thankyou}\mathrm{dearSer}$$

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