What is {p^{2}}/{q^{2}} equal to? [NDA-I 2020]

Correct Answer is : (a−d)(c−a)(b−c)(d−b)

What is {p^{2}}/{q^{2}} equal to? [NDA-I 2020]

Correct Answer is : (a−d)(c−a)(b−c)(d−b)

Test Index

UPSC NDA I and II 2020 Math Solved Paper

DIRECTIONS (Qs. 16-18) : Read the following information and answer the three items that follow:
Let asin2x+bcos2x=c;bsin2y+acos2y=d and p‌tan‌x=q‌tan‌y.

[NDA-I 2020]

Question : 18 of 120

Marks: +1, -0

What is

equal to?

[NDA-I 2020]

(b−c)(b−d)
(a−d)(a−c)
(a−d)(c−a)
(b−c)(d−b)
(d−a)(c−a)
(b−c)(d−b)
(b−c)(b−d)
(c−a)(a−d)

Validate

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