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Maths-

General

Easy

Question

In $straight triangle A B C comma 4 R straight capital delta$ sin $A over 2 sin invisible function application B over 2 sin invisible function application C over 2 equals$

$Δ^{2}$
$\frac{Δ^{2}}{S}$
$Δ^{2} S$
$\frac{S}{Δ^{2}}$

The correct answer is: $straight capital delta squared over S$

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$Lt subscript x not stretchy rightwards arrow straight infinity end subscript open square brackets square root of x squared plus a x plus b end root minus x close square brackets$

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An isosceles prism of angle 120⁰ has a refractive index of $square root of 2$ Two parallel monochromatic rays enter the prism parallel to each other in air as shown the rays emerging from the opposite face

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