Question

(12)'2-1= ? Answer pls give me

Answer 1

Answer:

Step-by-step explanation:

Answer 2

The value is 143

GIVEN:- $( {12)}^{2} - 1$

TO FIND:- the value of given

SOLUTION:-

In the given question we'll apply the formula of

${a}^{2} - {b}^{2} = (a + b)(a - b)$

Square of 12 = (12)²

Square of 1 = 1

By applying formula

$( {12)}^{2} - {1}^{2} \\ = (12 + 1)(12 - 1) \\ = 13 \times 11 \\ = 143$

Alternative way:- The question can be simply answered as the square of 12 is 144

${12}^{2} - 1 \\ = (12 \times 12) - 1 \\ = 144 - 1 \\ = 143$

Hence, the value is 143

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