1.

Rationalize the denominator of each term byusing (a + b) (a - b) = a? - b?Substitute √3 value.​

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Ans

Rationalize the DENOMINATOR 4/(1+2√3)

Solution :

STEP 1:

Here we have (1+2√3)  (in the form of a + c√b) in the denominator. Then we have to multiply the numerator and denominator by the CONJUGATE of  (1+2√3).

Conjugate of (1 + 2√3) is (1 - 2√3)  

Step 2 :

By multiplying the numerators and denominators of FIRST and second fraction, we get  

Step 3 :

By comparing the denominator with the algebraic identity a² - b² = (a + b)(a - b), we get

Step-by-step explanation:

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