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Show that 5+2 sqrt(7) is an irrational number, where sqrt(7) is given to be an irrational number.

Show that 5+2 sqrt(7) is an irrational number, where sqrt(7) is given to be an irrational number.

Show that 5+2 sqrt(7) is an irrational number, where sqrt(7) is given to be an irrational number.

Show that 5+2 sqrt(7) is an irrational number, where sqrt(7) is given to be an irrational number.

Show that 5+sqrt(7) is an irrational number.

Prove 3+sqrt(5) is inational

Show that 7 - sqrt(5) is irrational , given that sqrt(5) is irrational

Prove that 2sqrt5+ sqrt7 is an Irrational Number. Also check whether (2sqrt5+sqrt7)(2sqrt5-sqrt7) a rational or Irrational.

Check whether 7sqrt5 , 7/sqrt5 , sqrt2+21, pi-2 are irrational numbers or not.

Show that the following numbers are irrational. 1/(sqrt(2)) (ii) 7sqrt(5)