Mathematics · Algebra

यदि a = (√5 + 2) / (√5 - 2) और b = (√5 - 2) / (√5 + 2) है, तो 2a2 + 2b2 - 5ab का मान किसके बराबर है?

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यदि a = (√5 + 2) / (√5 - 2) और b = (√5 - 2) / (√5 + 2) है, तो 2a2 + 2b2 - 5ab का मान किसके बराबर है?

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यदि a = (√5 + 2) / (√5 - 2) और b = (√5 - 2) / (√5 + 2) है, तो 2a2 + 2b2 - 5ab का मान किसके बराबर है?

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