Math, asked by nainamishra1, 1 year ago

using property solve.13^3+(-8)^3+(-5)^2

Answers

Answered by Sudin
1
Hope that the Image helps you
Attachments:

Sudin: Did it help u
nainamishra1: bt ans zz 1560
nainamishra1: still thanks for helpng
Sudin: how's it possible
Sudin: answer is 1710
nainamishra1: yaa...
Sudin: its not 1560
nainamishra1: yu
nainamishra1: yup
nainamishra1: expand (3x+5y+2z)(3x-5y+2z)
Answered by rakeshmohata
1
Hope u like my process
-------------------------------------
Here we go,

Formula to be used
~~~~~~~~~~~~~~~~~~
x³ + y³ = (x +y)( x² - xy + y²)
____________________
13³ +(-8)³ + (-5)²

={13 +(-8)}{13² - 13×(-8) +(-8)²} + 25

={ 5×( 169 + 104 +64)} +25

= 5 ×( 337) +25

= 1685 +25 = 1710__(answer) _

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Hope this is ur required answer.
Proud to help you.

nainamishra1: did u solve the expand qtn???
nainamishra1: heloo r u thr
nainamishra1: i need the solution
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