यदि (3a+7b) : (3a-7b) = 4:1 हो, तो a:b का मान है-

  • 1

    𝟗/𝟑𝟓

  • 2

    𝟑𝟓/𝟗

  • 3

    𝟏𝟔/𝟐𝟓

  • 4

    𝟐𝟓/𝟏𝟔

Answer:- 2

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