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If a=2n 3 and b=n 7 where n is a natural number, find HCF of A and B?
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If a=2n 3 and b=n 7 where n is a natural number, find HCF of A and B?
Given:

A = 2n + 3
B = n + 7
n is a natural number.

To Find:

HCF of A and B.

Solution:

To find the HCF (Highest Common Factor) of A and B, we need to determine the largest common divisor of both A and B.

Step 1: Factorization of A and B

Let's start by factorizing A and B to determine their prime factors.

A = 2n + 3
= 2(n) + 3
= (2 × 1) × n + 3
= 2n + 3

B = n + 7

Step 2: Determining the Common Factors

To find the HCF, we need to identify the common factors between A and B.

The factors of A are: 1, 2, n, 2n + 3
The factors of B are: 1, n, 7, n + 7

Step 3: Identifying the HCF

The HCF is the largest common factor between A and B.

From the factors identified above, we can see that the common factors between A and B are 1 and n.

Thus, the HCF of A and B is n.

Final Answer:

The HCF of A and B is n.
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