Find the square of 23 using an identity. ​

Question

Find the square of 23 using an identity.

in progress 0
Isabelle 4 weeks 2021-08-16T19:49:09+00:00 2 Answers 1 views 0

Answers ( )

    0
    2021-08-16T19:50:27+00:00

    Answer:

    an ‘Identity’ is a term in maths where the left hand side and the right hand side of that specific equation are always the same irrespective of what values you use to verify it. These two identities are (a + b) 2 = a2 + 2ab + b2 and (a – b) 2 = a2 – 2ab + b2. You can use any of these formulae to find the square.

    Step-by-step explanation:

    23^2=529

    0
    2021-08-16T19:50:44+00:00

    Answer:

    hope this helps u

    Step-by-step explanation:

    here we use (a+b)²=a²+2ab+b²

    23²=(20+3)² = 20²+2*20*3+3²

                        = 400+120+9

                         = 529

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )