Math, asked by medhathakur2298, 11 months ago

√80=k√5, எனில்‌ k=?
(1) 2
(2) 4
(3) 8
(4) 16

Answers

Answered by TrickYwriTer
5

Answer:

(2) \: 4

Step-by-step explanation:

 \sqrt{80}  = k \sqrt{5}  \\  \\ k =  \sqrt{ \frac{80}{5} }  \\  \\ k =  \sqrt{16}  \\  \\ k = 4

Answered by steffiaspinno
0

விளக்கம்:

\sqrt{80}=k\sqrt{5}     k ன் மதிப்பு:

\sqrt{80}=\sqrt{2\times2\times2\times2\times5}

      =2\times2\times\sqrt{5}

        =4\sqrt5

        =k\sqrt5

∴ k ன் மதிப்பு =4 .

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