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JEE Advanced 2021 Full Test 3 Paper 2

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to the SECOND DECIMAL PLACE; e.g. XXXXX. XX).
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Question : 52 of 54
 
Marks: +1, -0
If
→
a
1=a
^
i
+b
^
j
,
→
a
2=
→
a
1−(2
^
i
+√5
^
j
) and
→
a
3=
→
a
1+(2
^
i
−√5
^
j
), then
|
1+
→
a
1.
→
a
1		1+
→
a
1.
→
a
2		1+
→
a
1.
→
a
3
1+
→
a
2.
→
a
1		1+
→
a
2.
→
a
2		1+
→
a
2.
→
a
3
1+
→
a
3.
→
a
1		1+
→
a
3.
→
a
2		1+
→
a
3.
→
a
3
|
is equal to
  • Your Answer:
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