6. Prove that
(a) (5x+11)power 2 - (5x-11) power 2 = 220x
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Answer:
Hence proved
(5x+11)²-(5x-11)²=220x
(25x²+110x+121)-(25x²-110x+121)=220x
25x²+110x+121-25x²+110x-121=220x
25x²-25x²+121-121+110x+110x=220x
110x+110x=220x
220x=220x
HOPE THIS WILL HELP YOU
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