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Home / Doubts and Solutions/JEE/Mathematics

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Asked by hariom2083 20th July 2018, 12:29 AM
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Answer:
begin mathsize 16px style straight x equals rsinθcosϕ comma space straight y equals rsinθsinϕ comma space straight z equals rcosθ straight x squared plus straight y squared plus straight z squared equals open parentheses rsinθcosϕ close parentheses squared plus open parentheses rsinθsinϕ close parentheses squared plus open parentheses rcosθ close parentheses squared rightwards double arrow straight x squared plus straight y squared plus straight z squared equals straight r squared sin squared θcos squared straight ϕ plus straight r squared sin squared θsin squared straight ϕ plus straight r squared cos squared straight theta rightwards double arrow straight x squared plus straight y squared plus straight z squared equals straight r squared sin squared straight theta open parentheses cos squared straight ϕ plus sin squared straight ϕ close parentheses plus straight r squared cos squared straight theta rightwards double arrow straight x squared plus straight y squared plus straight z squared equals straight r squared sin squared straight theta plus straight r squared cos squared straight theta rightwards double arrow straight x squared plus straight y squared plus straight z squared equals straight r squared end style
Answered by Expert 23rd July 2018, 10:20 AM
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