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Here's your answer !!
_________
( 2a - 2b - 3c)²
= ( 2a )² + ( -2b )² + ( -3c )² + 2 { ( 2a × -2b ) + ( -2b × -3c ) + ( -3c × 2a ) }
= 4a² + 4b² + 9c² + 2 { ( -4ab ) + 6bc + ( - 6ac ) }
= 4a² + 4b² + 9c² + 2 ( 6bc - 6ac - 4ab )
= 4a² + 4b² + 9c² + 12bc - 12ac - 8ab . [ Answer ]
_________
Hope it helps !!
Here's your answer !!
_________
( 2a - 2b - 3c)²
= ( 2a )² + ( -2b )² + ( -3c )² + 2 { ( 2a × -2b ) + ( -2b × -3c ) + ( -3c × 2a ) }
= 4a² + 4b² + 9c² + 2 { ( -4ab ) + 6bc + ( - 6ac ) }
= 4a² + 4b² + 9c² + 2 ( 6bc - 6ac - 4ab )
= 4a² + 4b² + 9c² + 12bc - 12ac - 8ab . [ Answer ]
_________
Hope it helps !!
Incredible29:
plz follow if u lyk my answer
2a nhi hai
mere new question ka answer dijiye
hello
inbox plz
if the side of an equilateral triangle is
\sqrt[6]{3cm}6√3cm
then it's height is A 8cm B 9cm C 4cm d
\sqrt[12]{3cm}12√3cm
\sqrt[6]{3cm}6√3cm
then it's height is A 8cm B 9cm C 4cm d
\sqrt[12]{3cm}12√3cm
i dunno it sry
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