How i solve the ncert class 9th solution of chapter number systems give me the solution of exercise 1.5 question number 2(1),(2) . Find the best solution of this question by giving the simplest method of this question .Simplify each of the following expressions: (i) (3+√3)(2+√2) ,(ii) (3+√3)(3-√3 )

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# Simplify each of the following expressions: (i) (3+√3)(2+√2) ,(ii) (3+√3)(3-√3 ) Q.2 (1), (2)

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(i) (3+√3)(2+√2)Solution:

(3+√3)(2+√2 )

Opening the brackets, we get, (3×2)+(3×√2)+(√3×2)+(√3×√2)

= 6+3√2+2√3+√6

(ii) (3+√3)(3-√3 )Solution:

(3+√3)(3-√3 ) = 3

^{2}-(√3)^{2}= 9-3= 6