Math, asked by ashi462, 10 months ago

Evaluate the following by using the identity (a + b)(a - b)=a“ -bº:
(a) 69x 71
(b) 46x 48
(c) 102x104
(d) 89x91

Answers

Answered by sandeep4243

2

Answer:

a)(70+1)(70-1)=71×61=4321

b)same as a

c)same as a

d)same as a

Answered by annitakumari802

0

Step-by-step explanation:

hijih8FD8guuv7VIP6yuub

Attachments:

Previous Question

Next Question

Similar questions

History, 5 months ago

sadhuraam k sanyaas ka baad ka kya naam tha...

Science, 5 months ago

Give reasons for the following statements. 1. Penguins can easily live in the polar regions. 2 The winds flow from the towards the land in summer. 3. Place a crumpled piece of paper on the mouth of an empty bottle and it comes outside (1) when you blow air inside the bottle.

Science, 5 months ago

In the beginning, parent amoeba _______________shortens elongates disappears...

Chinese, 10 months ago

Why are sound waves called mechanical waves?

Math, 10 months ago

(Simultaneous linear equations) I know the answers but need to see work because I keep getting them wrong. {-1/3(4x-5y)+1=1/2(3y-2x) {2/5(4-2x)+3/5y=-1/2x+1...

Math, 1 year ago

the sum of the digits of a two digit number is 10 the number is discrete by 36 the digits are reversed find the original number...

Math, 1 year ago

mean of 1st n even number...

Math, 1 year ago

Find the equation of the diagonal of a rectangle whose side are x=-1,x=4,y=-1,y=2.