Math, asked by junglisvaishna, 1 year ago

Factorize it : 49p 2 + 4q 2 + 9r 2 -28pq+12qr-42rp.

Answers

Answered by MVB

49p 2 + 4q 2 + 9r 2 -28pq+12qr-42rp.

= 49p2 -14pq -21rp -14pq +4q2+6qr -21rp+6qr+9r2

= 7p (7p -2q -3r) - 2q (7p-2q-3r) -3r (7p -2q-3r)

= (7p-2q-3r) (7p-2q-3r)

=(7p-2q-3r)2

Previous Question

Next Question

Similar questions

Math, 9 months ago

1.47 or 1.50 in chapter 2 fractions,decimals and rational numbers of government text maths...

English, 9 months ago

Laurence and I have a wonderful family together (Not only but also)...

English, 9 months ago

... Think of all the (unhappy). wild birds flying ..(controllably) enjoying .............(covered) sky and living in the............ (scattered) forest trees. Man catches a bird and imprisons it in a .............(ugly) cage. Does free writing (essay, letter, daily diary, autobiography, report writing and story writing)...

Math, 1 year ago

How to find square root of 5 digit no ... say 11449...

Science, 1 year ago

Which bacteria is responsible for antrax diseases?

Math, 1 year ago

if (1,2), (4,y)(x,6) and (3,5) are the vertices of a parallelogram taken in order find x and y...

English, 1 year ago

Your friend has weak eyesight. he is unable to see the writing on the board but refuse to wear his glasses. as a result he is not able to do well in his class assignment. discuss with your partner - 1. how you would encourage him to wear glasses. 2. what would you say to convince him.

English, 1 year ago

essay on discovering the hero within myself...