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Class 9
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Maths
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Polynomials
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Algebraic Identities
Algebraic Identities
Revise with Concepts
Identities Involving the Squares and Products of Binomials
Example
Definitions
Formulaes
>
More Complex Identities
Example
Definitions
Formulaes
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Learn with Videos
Standard Algebraic Identities
3 mins
Algebraic Identities - II
6 mins
Quick Summary With Stories
Introduction to Algebraic Identities
2 mins
Square and Product of Binomials
2 mins
Algebraic Identity of (x+y)³ and (x-y)³.
3 mins
Algebraic Identities Of x³+y³ and x³-y³.
3 mins
Algebraic Identity of x³+y³+z³-3xyz
3 mins
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Important Questions
If
$a+b+c=0$
then
$a_{3}+b_{3}+c_{3}$
is
Easy
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>
Solve
$(a+b+c)_{3}$
Medium
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>
If
$yx +xy =−1,(x,y=0)$
, then value of
$x_{3}−y_{3}$
is:
Medium
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>
If
$x+x1 =7$
, find
$x_{3}+x_{3}1 $
.
Hard
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>
Factorise :
$(a−b)_{3}+(b−c)_{3}+(c−a)_{3}$
.
Easy
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>
If
$x=1+2 ,$
then find the value of
$(x−x1 )_{3}$
.
Medium
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>
Verify
$x_{3}−y_{3}=(x−y)(x_{2}+xy+y_{2})$
using some non-zero positive integers and check by actual multiplication. Can you call theses as identities?
Hard
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>
The sum of two number is 25 and their difference is 13. Find their product.
Easy
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>
If
$2x+3y=12$
and
$xy=6$
, find the value of
$8x_{3}+27y_{3}$
.
Easy
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>
if
$3x+2y=12$
and
$xy=6$
then find the value of
$27x_{3}+8y_{3}$
Hard
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>