Question

please solve this fast​

Answer 1

Answer:

Here's your answer dear friend.

Hope this will help you.

Answer 2

$\blue\rightarrowtail\small\tt{Solution:-}$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\rightarrowtail\small\tt\blue{First \: do \: prime \: factorisation \: of \: 98}$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\begin{array}{r||l} \small \tt{2}& \small \tt \blue{98}\\ \small \tt{7}& \small \tt \blue{49}\\ \small \tt{7}& \small \tt \blue{7}\\& \small \tt \blue{1}\end{array}$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\blue\rightarrowtail\small\tt { 2× 7\underbrace×7}$

$\blue\rightarrowtail\small\tt{ 7 \sqrt{2} }$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\blue\rightarrowtail \tt{ \frac{1}{ \sqrt{98} } \times \frac{7 \sqrt{2} }{7 \sqrt{2} } }$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\rightarrowtail\small\tt\blue{Now \: Replace \: \sqrt{98} \: with \: 7 \sqrt{2} }$

$\: \: \: \: \: \: \: \: \: \: \: \: \:$

$\blue\rightarrowtail\tt{ \frac{1}{ 7 \sqrt{2} } \times \frac{7 \sqrt{2} }{7 \sqrt{2} } }$

$\blue\rightarrowtail\tt{ \frac{7 \sqrt{2} }{7 \times 7 \times (\sqrt{2})^{2} } }$

$\blue\rightarrowtail\tt{ \frac{7 \sqrt{2} }{7 \times 7 \times 2 } }$

$\blue\rightarrowtail\tt{ \frac{7 \sqrt{2} }{49 \times 2 } }$

$\blue\rightarrowtail\tt{ \frac{ \cancel7( \sqrt{2}) }{ \cancel{98} } }$

$\small\boxed{\blue\rightarrowtail\tt{ \frac{ \sqrt{2} }{ 14} }}$