[" Are irresponsible "],[7sqrt(5)]

Prove that the following are irrationals : 7sqrt(5)

Simplify the following expressions.(i) (5+sqrt(7))(2+sqrt(5)) (ii) (5+sqrt(5))(5-sqrt(5)) (iv) (sqrt(11)-sqrt(7))(sqrt(11)+sqrt(7))

Simplify the following expressions. (i) (5+sqrt(7))(2+sqrt(5)) (ii) (5+sqrt(5))(5-sqrt(5)) (iii) (sqrt(3)+sqrt(7))^2 (iv) (sqrt(11)-sqrt(7))(sqrt(11)+sqrt(7))

Simplify the following expressions . i) (5+sqrt(7))(2+sqrt(5)) ii) (5+sqrt(5))(5-sqrt(5)) iii) (sqrt(3)+sqrt(7))^(2) iv) (sqrt(11)-sqrt(7))(sqrt(11)+sqrt(7))

Compare the pair of surd: 5sqrt(5),7sqrt(2)

Compare the pair of surd: 7sqrt(2),5sqrt(3)

Simplify by raationalising the denominator. (i) (7sqrt(3) - 5sqrt(2))/(sqrt(48) + sqrt(18)) (ii) (2sqrt(6) -sqrt(5))/(3sqrt(5)-2sqrt(6))

The value of (7+3 sqrt5)/(3+sqrt5)-(7-3 sqrt5)/(3-sqrt5) lies between: (7+3 sqrt5)/(3+sqrt5)-(7-3 sqrt5)/(3-sqrt5) का मान किसके बीच में होगा