P=3-a prove that a^2+5ap+p^3-6=0
Answers
Answer:
answr
search
What would you like to ask?
9th
Maths
Polynomials
Algebraic Identities
If p = 2 - a then prove tha...
MATHS
avatar
Asked on December 26, 2019 by
Moumita Nagar
If p=2−a then prove that a
3
+6ap+p
3
−8=0
EASY
Share
Study later
ANSWER
Given p=2−a
to prove a
3
+6ap+p
3
−8=0...(1)
Now put the value of P in eq (1)
a
3
+6a(2−a)+(2−a)
3
−8=0
⇒a
3
+12a−6a
2
+8−a
3
−12a+6a
2
−8=0
[∴(a−b)
3
=a
3
−b
3
−3a
2
b+3ab
2
]
⇒0=0 (By eliminating equal terms we
have LHS = RHS)
Answer By
avatar
Toppr
SHARE
How satisfied are you with the answer?
This will help us to improve better
answr
Get Instant Solutions, 24x7
No Signup required
girl
More Questions by difficulty
EASY
MEDIUM
HARD
Prev Question
Next Question
Related Questions to study
If a
=0 and a−
a
1
=3; find:
a
3
−
a
3
1
Study later
View Answer
1.2×1.2×1.2−0.3×0.3×0.3
1.2×1.2+1.2×0.3+0.3×0.3
=
1.8
m
,Find m.Write upto 3 decimal
Study later
View Answer
VIEW MORE
Revise with Concepts
Square and Cubes of Binomial
EXAMPLE
DEFINITIONS
FORMULAES
20,000+
Learning videos
8,000+
Fun stories
10,000+
Fundamental concepts
8,00,000+
Homework Questions
Learn with Videos
Application of Standard Identities
Application of Standard Identities
9 min
Square Identities on Binomials and Trinomials
Square Identities on Binomials and Trinomials
17 min
BROWSE BY
ClassesBoardsExams
MODULES
Online ClassesMock TestsAdaptive PracticeLive Doubts
Stay upto date with our Newsletter!
Stay informed, stay ahead. Be a topper
Your email address
About Us
Brand Resources
Press
Customer Stories
Jobs
Educators
Fellowship
Learning Planet
Guides
Ask
Blog
Bytes
News
Terms of Service
Privacy Policy
Contact Us
FAQs
Google Play
App Store
IN
India
Feedback