Math, asked by umeshpawar45104510, 7 months ago

simplify 3/√5-√3 please give answer by step by step​

Answers

Answered by Anonymous
5

i think this is the answer

Attachments:
Answered by syed2020ashaels
2

According to the data given in the above question.

We have to find the simplification of given .

Step-by-step explanation:

Given ,

 \frac{3}{ \sqrt{5 }  -  \sqrt{3} }

According to the given condition we have to rationalise the denominator,

Rationalization is defined as to multiply a rational function by a clever form of one in order to eliminate radical symbols or imaginary numbers in the denominator.

STEP-1:

Multiply numerator and denominator by a radical that will get prevent of the radical in the denominator and we get a simole number .

Radical : √5+√3

STEP -2:

Multiply the numerator and denominator both by radical :

\frac{3}{ \sqrt{5 }  -  \sqrt{3} }  \times  \frac{ \sqrt{5}  +  \sqrt{3} }{\sqrt{5}  +  \sqrt{3}}

STEP-3:

Simply the equation,we get

\frac{3 \times(\sqrt{5}  +  \sqrt{3} )}{ (\sqrt{5 }  -  \sqrt{3} ) \times (\sqrt{5}  +  \sqrt{3})}  \:  \:  \:  \:  \: ...(1)

STEP-4:

we know the formula or identity from a and b form:

(a+b)(a-b) = a²-b² \:  \:  \:  \:  \: ...(2)

According to equation (1) and (2), we get

\frac{3 \times(\sqrt{5}  +  \sqrt{3} )}{  {(\sqrt{5 })^{2} }-  (\sqrt{3} )^{2}}

Squaring the terms in denominator, we get

\frac{3 \times(\sqrt{5}  +  \sqrt{3} )}{  {(5) }-  (3)}

Subtract the values in denominator and multiply the terms in numerator ,we get

\frac{3 \times\sqrt{5}  +  3 \times \sqrt{3} )}{  {2}}

or,

\frac{3\sqrt{5}  +  3 \sqrt{3} )}{  {2}} \: is \: the \: answer

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