Math, asked by pallavikale1255, 3 months ago

1. If (a + b)2 = 289 and (a - b)2 = 121, then a? – b2 = ?
(1) 198
(2) 189
(3) 187
(4) 178

Answers

Answered by datargauri04

5

Step-by-step explanation:

hope it will help you option 3

Attachments:

Answered by samruddhitaur68

0

Answer:

Step-by-step explanation:

(a+b)^2=289

a+b=17

(a-b)^2= 121

a-b=11

(a+b) + (a-b) =2a

17+11 =28

a=14

a-b=11

14-11=

3=

Previous Question

Next Question

Similar questions

English, 1 month ago

Find gender of the noun in the sentence. 1. The DOCTOR was examining the PATIENT. 2. The REPORTER was covering the event live with a CAMERAMAN.Identify the gender of the highlighted nouns in these sentences. 3. The DRAKE was grooming its FEATHERS. 4. The MARE and the ROOSTER were FRIENDS. 5. The SEAMSTRESS made a lovely wedding gown for the BRIDE. 6. The FARMER harvested the crops with...

English, 1 month ago

) He was tired after his voyages, the shuttles from planet to planet from star to star. In the late evening he would sway in his rocking chair and watch the moon through the trees. ‘I was there once,' he thought. 'I stood on that globe. Now it is like a football shining in space.' And he could hardly believe it that in his helmet and in his bulky2 space suit he'd stirred that far dust. lain...

English, 1 month ago

1. Write a self composed poem of six lines on 'Personal hygiene'...

English, 3 months ago

What did the author realise at the end of his meeting with Stephen Hawking? ...

English, 3 months ago

tick the sentence that are correct and make the correction in the sentence that contain mistakes. he asked me was I going to lunch...

Math, 10 months ago

By using distributive property of addition under multiplication solve, 3943x210...

Math, 10 months ago

6 S. a number between 3 and C. The weight (in kg) of 52 persons are given in the following grouped frequency distribution table Weight (in kg) 15-50 50-55 53-60 60-65 65-70 70-75 3-50 D-95 No. of persons 11 10 5 7 Using above frequency table, write the answers : 1. How many persons belong to the highest weight group? How many persons belong to group 55-60? 3. What is the class size of 45-50? 4.

English, 10 months ago

He has done it on purpose change into passive voice...