Math, asked by davidjannu3172, 8 months ago

Using suitable identity, evaluate (8.9)square

Answers

Answered by prameelaguruprasad

5

Answer:

79.21

Step-by-step explanation:

(8.9)^2=(8+0.9)^2

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

=8^2+2*8*0.9+0.9^2

=64+14.4+0.81

=79.21

Previous Question

Next Question

Similar questions

Chemistry, 4 months ago

Assertion : For the outermost electron in Na atom, the orbital angular momentum is zero. Reason: For 3s electron, I = 0 and orbital angular momentum is zero. O If assertion is correct, but reason is incorrect If both assertion and reason are correct and reason is not the correct explanation of the assertion. O If both assertion and reason are correct and reason is the correct explanation of the...

Math, 4 months ago

mean mode and median of 11,9,10,11,1,5,12,8,17,11,8,11,12...

Computer Science, 4 months ago

WAP to input 10 country names and their respective capitals store 2 different SDA. Now arrange the country name in alphabetical order. Now print the sorted country names along with their capitals.

History, 8 months ago

Did you know that about 50% of the children's got the primary school drop out of the school drop out of school by the time se 13 or 14 can you think of the various possible reason for facts...

Hindi, 8 months ago

Vachan Sanskriti se hone wale labh...

Math, 10 months ago

What will be the width of circular race track with inner diameter 16m outer diameter 18m...

Math, 10 months ago

इसका क्या उत्तर होगा क्रप्या जल्दी उत्त्तर दे और पुरा हल दे...

Math, 10 months ago

pls solve this for me ...... you have to use standard identities and even mention the identity !!!!