Question

0.1) Find the square of 46 using the identity (a+b]² ​

Answer 1

Step-by-step explanation:

(a+b) ^2 =a^2+2ab+b^2

(40+6)^2=(40)^2+2(40)(6)+6^2

=1600+480+36

=2116

alternative method

(a-b) ^2=a^2-2ab+b^2

50-4)^2=50^2-2(50)(4)+4^2

=2500-400+16

=2116