Question

Without actual multiplication find the value of 6.82×6.82−1.18×1.18

5.64​

Answer 1

Answer:

6.82×6.82−1.18×1.18= 45.12

Step-by-step explanation:

6.82×6.82−1.18×1.18

= (6.82)²-(1.8)²

$[using \: identity \: \\ a²-b²= (a+b)(a-b)]$

= (6.82+1.18)(6.82-1.18)

=8(5.64)

=45.12

Hope It Helps