यदि `ab=21` और `((a+b)^(2))/((a-b)^(2))=25/4` हो तो `a^(2)+b^(2)+3ab` का मान क्या होगा?

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यदि `a+b=10` और `ab=21` हो तब `(a-b)^(2)` का मान ज्ञात करें?

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यदि a - b = 4 व ab = 21, तब `a^(3) - b^(3)` का मान ज्ञात कीजिए ।

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यदि ab=21 और ((a+b)^(2))/((a-b)^(2))=25/4 हो तो a^(2)+b^(2)+3ab का मान क्या होगा? | CLASS 14 | A...

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यदि `x=(4ab)/(a+b)a!=b` है तो `(x+2a)/(x-2a)+(x+2b)/(x-2b)` का मान ज्ञात करें?

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यदि a + b = 10 व ab = 21, तब `a^(3) + b^(3)` का मान ज्ञात कीजिए ।

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If \\( a+b=10 \\) and \\( a b=21 \\), find the value of \\( a^{3}+b^{3} \\)

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If ab = 21 and (𝐚+𝐛)^𝟐/(𝐚−𝐛)^𝟐 =𝟐𝟓/𝟒 then the value of 𝐚^𝟐+𝐛^𝟐+𝟑𝐚𝐛 is:115 121125 127

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[प्रमाण] एबी ≤ (ए^2 + बी^2) / 2

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