Grade 128 grade maths
Find the square of the following numbers. 86Find the square of the following numbers.
86
Find the square of the following numbers.
86
Find the square of the following numbers.
86
86
1 Answer
Harshit Singh
Dear Student
(86)^2
=(90-4)^2
= (90)^2+ (4)^2- 2×90×4 [Since, (a+b)^2= a^2+b^2+2ab]
= 8100+16–720
= 8116–720
= 7396
Thanks
(86)^2
=(90-4)^2
= (90)^2+ (4)^2- 2×90×4 [Since, (a+b)^2= a^2+b^2+2ab]
= 8100+16–720
= 8116–720
= 7396
Thanks
Other Related Questions on 8 grade maths
What is the value of $ 5 $ million dollars in Indian rupees given that one dollar is equal to $ 75 $ Indian rupees.
What is the value of $ 5 $ million dollars in Indian rupees given that one dollar is equal to $ 75 $ Indian rupees.
8 grade maths
Last Activity: 1 Year ago
How many perfect cubes can you find from 1 to 100? How many from -100 to 100?
How many perfect cubes can you find from 1 to 100? How many from -100 to 100?
8 grade maths
Last Activity: 1 Year ago