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Vector Algebra question

2020 · 6 Sep · Shift 2 · Q28

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PYQ Library
JEE Main
Mathematics
Vector Algebra
2020 · 6 Sep · Shift 2 · Q28

Vector Algebra question

2020 · 6 Sep · Shift 2 · Q28

JEE MainMathematicsVector AlgebraNumerical+4 / −1

If

\overrightarrow x

and

\overrightarrow y

be two non-zero vectors such that

\left| {\overrightarrow x + \overrightarrow y } \right| = \left| {\overrightarrow x } \right|

and

{2\overrightarrow x + \lambda \overrightarrow y }

is perpendicular to

{\overrightarrow y }

, then the value of

\lambda

is

\underline{\hspace{2cm}}

.

Numerical answer

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