Ex 9.5, 1 - Use a suitable identity to get product (i) (x + 3) (x + 3)

 

Remove Ads

Transcript

Question 1 Use a suitable identity to get each of the following products. (i) (𝑥+3) (𝑥+3) (𝑥+3) (𝑥+3) = (𝑥+3)^2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 𝑥 & 𝑏 = 3 = 𝑥^2+3^2+2(𝑥) (3) = 𝒙^𝟐+𝟗+𝟔𝒙

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.