Question 1.) find Hcf and Lcm of 426 and 576 Questions 2.)prove that
is irrational number.

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426 = 2 * 3 * 71

576 = 2 * 2 * 2 * 2 * 2 * 2 * 3 * 3

= 2^6 * 3^2.

Now,

LCM = 2^6 * 3^2 * 71

= 40896.

HCF = 2 * 3

= 6.

(2)

448 = 2 * 2 * 2 * 2 * 2 * 2 * 7

= 2^6 * 7

1008 = 2 * 2 * 2 * 2 * 3 * 3 * 7

= 2^4 * 3^2 * 7

168 = 2 * 2 * 2 * 3 * 7.

= 2^3 * 3 * 7

Now,

LCM = 2 * 2 * 2 * 7

= 56

HCF = 2 * 2 * 2 * 7

= 56

Hope this helps!

brainliest answer pl

1.

426=2*3*71

576=2*2*2*2*2*2*3*3

Now

L.C.F= 2×3×71*2*2*2*2*2*3=40896

H.C.F=2*3=6.

2.

we have.3+2√5

An irrational number is a number that cannot be expressed as a fraction for any integers.

over here √5 is not expressed as a fraction

So3+2√5 is not rational number.

Hi... Your answer is... C