यदि `vecA = vecB + vecC` तथा `vecA, vecB` व `vecC` के परिमाण 5, 4 व 3 मात्रक हो, तो `vecA` तथा `vecC` के बिच कोण है :

[ veca + vecb vecb + vecc vecc + veca ]=[ veca vecb vecc ] , then

If vecA = vecB + vecC and the magnitudes of vecA, vecB and vecC are 5,4 and 3 units respecetively, the angle between vecA and vecC is :

Let veca , vecb,vecc be three vectors such that veca bot ( vecb + vecc), vecb bot ( vecc + veca) and vecc bot ( veca + vecb) , " if " |veca| =1 , |vecb| =2 , |vecc| =3 , " then " | veca + vecb + vecc| is,

Let veca , vecb,vecc be three vectors such that veca bot ( vecb + vecc), vecb bot ( vecc + veca) and vecc bot ( veca + vecb) , " if " |veca| =1 , |vecb| =2 , |vecc| =3 , " then " | veca + vecb + vecc| is,

Let vecA , vecB and vecC be vectors of legth , 3,4and 5 respectively. Let vecA be perpendicular to vecB + vecC, vecB " to " vecC + vecA and vecC " to" vecA + vecB then the length of vector vecA + vecB+ vecC is __________.

Let vecA , vecB and vecC be vectors of legth , 3,4and 5 respectively. Let vecA be perpendicular to vecB + vecC, vecB " to " vecC + vecA and vecC " to" vecA + vecB then the length of vector vecA + vecB+ vecC is __________.

Let vecA , vecB and vecC be vectors of legth , 3,4and 5 respectively. Let vecA be perpendicular to vecB + vecC, vecB " to " vecC + vecA and vecC " to" vecA + vecB then the length of vector vecA + vecB+ vecC is __________.

Let vecA , vecB and vecC be vectors of legth , 3,4and 5 respectively. Let vecA be perpendicular to vecB + vecC, vecB " to " vecC + vecA and vecC " to" vecA + vecB then the length of vector vecA + vecB+ vecC is __________.