Math, asked by aaryansalunke3907, 8 months ago

find square of 82 without multiplication plz answer fast i will mark you brainliest

Answers

Answered by dilliprasaddhakal528

1

82² = (80+2)²

Now, we know; (a+b)² = a²+2ab+b²

= (80)²+2.80.2+(2)²

= 6400+320+4

= 6724 Ans.

Previous Question

Next Question

Similar questions

Geography, 3 months ago

4. A dry soil has a void ratio of 0.65 and its grain specific gravity is = 2.80. What is its unit weight? Water is added to the sarūplę so that is degree of saturation is, 60% without any change in void ratio. Determine the water content and unit weight. The sample is next placed below water. Determine the true unit weight (not sonsidering buoyarrov) if the degree of saturation is 95% and 100%...

Math, 3 months ago

If the same number be added to the number 5, 11, 15, and 31 then the resultant numbers are in proportion. Find the number.

Math, 3 months ago

1234 is divisible by 8 please answer of you know...

Chemistry, 8 months ago

When a definite volume of a gaseous alkyne (Cn H2n-2) is burnt completely in excess of air, a contraction in volume equal to twice the volume of alkyne burnt occured. The value of 'n' is -...

English, 8 months ago

that he is doctor is certain (rewrite the sentence using it)...

Math, 1 year ago

what should be added to 150 to make complete square...

English, 1 year ago

4. Half the class is making bets. G.N. and I laugh ourselves silly at the two boys behind us. a. Why was the class making bets? b. What was going to happen that day? c. What had the two boys done? d. Who is “I” in this sentence?

Math, 1 year ago

find rational number between 4/5 and 7/8...