Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Use the identity and find the square of 189. (a – b) 2 = a 2 – 2ab + b 2

 Use the identity and find the square of 189.

(a – b)= a2 – 2ab + b2

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5960 Points
7 months ago
Dear Student

189 = (200 – 11)^2

= 40000 – 2 x 200 x 11 + 11^2

= 40000 – 4400 + 121

= 35721

Thanks

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free