Question

√x + √49 = 8.2 എങ്കിൽ x =

• A. 1.44
• B. 1.2
• C. 1.28
• D. 1.32

Answer 1

Answer:

A. 1.44

$\sqrt{x}+\sqrt{49}=8.2$

$\sqrt{x}+7=8.2$

$\sqrt{x}=8.2-7$

$\sqrt{x}=1.2$

$x={1.2}^2$

$x=1.44$