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प्रश्न
Simplify: 7x + 4 {x2 ÷ (5x ÷ 10)} − 3 {2 − x3 ÷ (3x2 ÷ x)}
उत्तर
7x + 4 {x2 ÷ (5x ÷ 10)} − 3 {2 − x3 ÷ (3x2 ÷ x)}
`=7"x"+4{"x"^2 ÷ ((5"x")/10)}-3{2-"x"^3÷((3"x"^2)/"x")}`
`=7"x"+4{"x"^2÷"x"/2}-3{2-"x"^3÷3"x"}`
`=7"x"+4{"x"^2xx2/"x"}-3{2-"x"^3/(3"x")}`
= 7x + 8x − 6 +x2
= x2 + 15x − 6
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