Given expressions are (5/6)a³y+(3/5)y³a-y³a³
and 8y³a³-(2/5)y³a -(7/6)a³y
On adding them
⇛{(5/6)a³y+(3/5)y³a-y³a³}+{8y³a³-(2/5)y³a -(7/6)a³y}
⇛(5/6)a³y+(3/5)y³a-y³a³+8y³a³-(2/5)y³a -(7/6)a³y
⇛ {(5/6)a³y-(7/6)a³y]+{(3/5)y³a-(2/5)y³a} + {-y³a³+8y³a³}
⇛ {(5/6)-(7/6)} a³y+ { (3/5)-(2/5) } y³a + { -1+8} y³a³
⇛ {(5-7)/6}a³y + {(3-2)/5}y³a + { 7}y³a³
⇛ (-2/6)a³y + (1/5)y³a + 7y³a³
⇛ (-1/3)a³y + (1/5)y³a +7y³a³
Ans:- {(5/6)a³y+(3/5)y³a-y³a³}+{8y³a³-(2/5)y³a -(7/6)a³y} = (-1/3)a³y + (1/5)y³a +7y³a³
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