If m and n are whole numbers such that mn = 169, then the value of (m – 1) n + 1 is:
a) 1
b) 13
c) 169
d) 1728
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Given:
m and n are whole numbers such that mn= 169.
To Find:
The value of (m – 1) n + 1.
Solution:
To find the value of (m – 1) n + 1 we will follow the following steps:
We have given that
As we know,
The Square of 13 is 169.
So,
The value of m and n is equal to 13 and 2 respectively.
The cube of 12 Is equal to 1728.
So,
Henceforth, the value of (m – 1) n + 1 is d) 1728.
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