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प्रश्न
Factorise : `1/35 + 12/35a + a^2`
उत्तर
`1/35 + 12/35a + a^2`
`= 1/35 +(1/5+1/7)a+a^2 `
`= 1/35 + 1/5 a+1/7a + a^2`
`= 1/5(1/7+a) +a (1/7+a)`
`=(1/7+a) (1/5+a) `
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