Question

I will give 50 pts who will answer correctly
1)Of the four numbers which is a rational number? (a) (root 5-1/root5)³ (b) 2.123123 bar on last 123 (c)2.1232123... (d) (root3-root2) (2root3+root 2)​

.. 2...If two positive integers a and b are written as a=x^5y2 and b=x^2y^3 ; x, y are prime numbers then the HCF(a,b) 1) xy 2)x^5y^3 3)x^3y^3 4)x^2y^2​

(3..)Dwhich one of the following is an irrational number? (A) 0.371371371... (B) 2.39 (C) 4.010010001...D) 2.4​​

Answer 1

Answer:

Here is your answer buddy

Step-by-step explanation:

Points that we should know,

• Rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q

• Irrational number, any real number that cannot be expressed as the quotient of two integers

• All terminating numbers (a decimal number that contains a finite number of digits after the decimal point) are Rational numbers

• All non terminating reccuring / repeating numbers Rational numbers

• All non terminating non repeating numbers are irrational numbers

Answer,

1. Option is B
2. Option is 4
3. Option is C

Refer the attachment for process

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Have a good day ❤️