a²-b² expand. cite examples,which type of equation is this???
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this is an algebraic quadratic identity .
a² - b² = ( a - b)( a + b)
hence, ( a² - b²) have two factors ( a -b) and ( a + b).
example :-
in pythagorus theorem ,
if Hypotenuse = H
Base = B
but Altitude = ?
then , we use this identity here .
e.g
altitude² = H² -B²
altitude = √(H -B )(H +B)
a² - b² = ( a - b)( a + b)
hence, ( a² - b²) have two factors ( a -b) and ( a + b).
example :-
in pythagorus theorem ,
if Hypotenuse = H
Base = B
but Altitude = ?
then , we use this identity here .
e.g
altitude² = H² -B²
altitude = √(H -B )(H +B)
HappiestWriter012:
atleast now add examples
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Answered by
1
Equation a²-b²
a²-b²= (a+b)(a-b)
it is algebric equation having two factors
(a+b)
and(a-b).
Let a =5 b=3
a²-b²=25-9=16
and (a+b(a-b)
(5+3)(5-3)=8×2=16
proved
a²-b²= (a+b)(a-b)
it is algebric equation having two factors
(a+b)
and(a-b).
Let a =5 b=3
a²-b²=25-9=16
and (a+b(a-b)
(5+3)(5-3)=8×2=16
proved
examples
required
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