Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematics Differential Calculus

Let there be a surface, x = ucosv, y = usinv, z = cv. The first fundamental coefficients are respectively-

1
0, 0, u2 + c2
2
1, 0, u2 + c2
3
1, 0, \(\sqrt{u^2 + c^2}\)
4
cosv, sinv, u2 + 1
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