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If x= 1, y = 2 and z = 5, find thevalue of x2 + y2 + z2+ 2xyz. |
Answer» ☆ɢɪᴠᴇɴ:
☆ᴛᴏ ғɪɴᴅ:
☆sᴏʟᴜᴛɪᴏɴ:x²+y²+z²+2xyz : .(1)²+(2)²+(5)²+2×1×2×5 : .1+4+25+20 : .50 |
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