Question

State Lagrange interpolation formula, use it to find value of u4 of a function ux, given:
u1=10, u2=15, u5=42​

Answer 1

Answer:

$()789xy4556 + - \times \div { { \frac{ \sqrt[ | < > \leqslant \geqslant | ]{} \times \frac{?}{?} }{?} }^{?} }^{2}$