engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Algebra Identities
यदि x + y + z = 18, xyz = 81 तथा xy + yz + zx = 90, तब \(\sqrt[4]{x^3+y^3+z^3+xyz} \) का मान ज्ञात कीजिए।
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