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Question Number 35213 by abdo mathsup 649 cc last updated on 16/May/18

f i n d t h e v a l u e s o f \int_{0}^{\infty} c o s (λ x^{2}) d x a n d

\int_{0}^{\infty} s i n (λ x^{2}) d x w i t h λ > 0 .

2) f i n d t h e v a l u e s o f \int_{0}^{\infty} c o s (x^{2}) d x a n d

\int_{0}^{\infty} s i n (x^{2}) d x (i n t e g r a l s o f f r e s n e l)