SRMJEE 2019 Paper with key

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Question : 81 of 140

Marks: +1, -0

If ∆1=|

x	b	b
a	x	b
a	a	x

|and‌∆2=|

x	b
a	x

|,then‌

d

dx

(∆1) ( is equal to

3(∆2)2
3(∆2)
1
2
3∆2
3∆22

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