if P + q = 2, then find the value of P³+ q³+ 6 pq ....... gave me perfect salutations plzzz let's see who can do it first
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Answered by
3
Dear Student,
Please find below the solution to the asked query:
We have p+q=2NowS=p3+q3+6p2+5q2+6pqNow(a+b)3=a3+b3+3ab(a+b)⇒a3+b3=(a+b)3−3ab(a+b)⇒S=(p+q)3−3pq(p+q)+6p2+5q2+6pq=(2)3−3pq(2)+6p2+5q2+6pq=8−6pq+6p2+5q2+6pq=6p2+5q2+8⇒p3+q3+6p2+5q2+6pq=6p2+5q2+8More information is needed to further simplify it
Hope this information will clear your doubts about this topic.
Please find below the solution to the asked query:
We have p+q=2NowS=p3+q3+6p2+5q2+6pqNow(a+b)3=a3+b3+3ab(a+b)⇒a3+b3=(a+b)3−3ab(a+b)⇒S=(p+q)3−3pq(p+q)+6p2+5q2+6pq=(2)3−3pq(2)+6p2+5q2+6pq=8−6pq+6p2+5q2+6pq=6p2+5q2+8⇒p3+q3+6p2+5q2+6pq=6p2+5q2+8More information is needed to further simplify it
Hope this information will clear your doubts about this topic.
Answered by
5
Hi Mate!!!
p³ + q³ + 6 pq = ( p + q )³
=>. p³ + q³ + 6pq = 8
p³ + q³ + 6 pq = ( p + q )³
=>. p³ + q³ + 6pq = 8
rohan2v2das:
Zakirkashmiri you are right you doun it
thanks.
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