pls solve by using identiy
continued product
●(x-y/5-1)(x+y/5+1)
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((X-y/5)-1)((x+y)/5+1)
(x-y-5)/5×(x+y+1)/5
1/25[x-(y+5)×x+(y+5)]
1/25[x^2-(y+5)^2]
for next see pic
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ManpreetJangra:
first tell
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