Math, asked by benerjeenivedita, 3 months ago

The Value of (7p+9q)² - (7p-9q)²

Answers

Answered by brainly2107

1

Answer:

Using the identity a² - b² = (a+b)(a-b)

= (7p+9q + 7p-9q){7p+9q -(7p-9q)}

= (14p)(7p+9q-7p+9q)

= (14p)(18q)

= 252pq

Previous Question

Next Question

Similar questions

Math, 1 month ago

If a1x+b1y+c1=0 and a2x+b2y+c2=0 lines are inconsistent lines, then the ratio of their coefficients is a) a1/a2≠b1/b2 b) a1/a2=b1/b2≠c1/c2 c) a1/a2=b1/b2= c1/c2 d) a1/a2=b1/b2...

Math, 1 month ago

If A={1,3,5} and B={2,3} then find AXB and BXA.

Hindi, 1 month ago

varn viched of शhobniye...

Math, 3 months ago

plz answer it fast plz jldi ans. dedo ...

Math, 3 months ago

I Grive erepression for 7 subtracted from x...

Biology, 10 months ago

how give me correct and first i will add him brainlist...

Math, 10 months ago

5. if a+b = 7And ab : 10 find a-b...

English, 10 months ago

Read the poem and answer the question based on it: We all have our hopes and dreams, it makes life seem worthwhile! If we can adhere to that thought most of the time, we would go that extra mile! Everyone needs an incentive, in order to reach their goal, it’s worth fighting for. To have someone who will stand by you, could you ask for anything more? When you have encouragement, you begin to...