Math, asked by manhuntertdm, 3 months ago

uf (1/x) + (1/y) + (1/z) = 1 ³iR x + y + z = k, at व्यंजक (x ^ 2 + y ^ 2 + z ^ 2) / (k ^ 2 - 2xyz) का मान ज्ञात कीजिए?​

Answers

Answered by jinitapatel8866
0

Answer:

ge x + 3, y – 5, 4x + 5, 10y – 5] bR;kfn tSls ljy chth; O;atdksa ls ifjfpr gks pqosQ gSa A

d{kk VI esa] geus ns[kk Fkk fd ;s O;atd fdl izdkj igsfy;ksa vkSj leL;kvksa dks ,d

lqO;ofLFkr izdkj ls izLrqr djus esa lgk;d gksrs gSa A ge ljy lehdj.kksa okys vè;k; esa Hkh

O;atdksa osQ vusd mnkgj.kksa dks ns[k pqosQ gSa A

chtxf.kr esa O;atdksa (expressions) dks ,d osaQnzh; vo/kj.kk ekuk tkrk gS A ;g vè;k;

chth; O;atdksa ls lac¼ gksxk A tc vki bl vè;k; dks i<+ ysaxs] rks vkidks Kkr gks tk,xk

fd chth; O;atd fdl izdkj curs gSa] bUgsa fdl izdkj la;ksftr fd;k (feyk;k) tkrk gS]

buosQ eku ge oSQls Kkr dj ldrs gSa rFkk budk fdl izdkj mi;ksx fd;k tk ldrk gS A

12.2 O;atd fdl izdkj curs gSa \

vc ge Hkyh Hkk¡fr tkurs gSa fd ,d pj (variable) D;k gksrk gS A ge pjksa dks O;Dr djus

osQ fy,] v{kjksa x, y, l, m, ... bR;kfn dk iz;ksx djrs gSa A ,d pj osQ fofHkUu eku gks ldrs

gSa A bldk eku fuf'pr ugha gksrk gS A blosQ nwljh vksj vpj (constant) dk ,d fuf'pr eku

gksrk gS A vpjksa osQ mnkgj.k 4]100]&17] bR;kfn gSa A

ge pjksa vkSj vpjksa dks la;ksftr djosQ chth; O;atdksa dks cukrs gSa A blosQ fy,

ge ;ksx] O;odyu] xq.ku vkSj foHkktu dh lafØ;kvksa dk iz;ksx djrs gSa A ge]

4x + 5, 10y – 20 tSls O;atdksa dks igys gh ns[k pqosQ gSa A O;atd 4x + 5, ‘x’ pj osQ iz;ksx

ls cuk gS] ftlesa igys pj x dks vpj 4 ls xq.kk djosQ vkSj fiQj bl xq.kuiQy esa vpj 5

tksM+ dj izkIr fd;k tkrk gS A blh izdkj] 10y – 20 igys pj y dks vpj 10 ls xq.kk djosQ

vkSj fiQj bl xq.kuiQy esa ls 20 ?kVk dj izkIr fd;k tkrk gS A

mijksDr O;atd pjksa vkSj vpjksa dks la;ksftr djosQ izkIr fd, x, Fks A ge O;atdksa dks]

pjksa dks Lo;a mu pjksa ls vFkok vU; pjksa ls la;ksftr djosQ Hkh izkIr dj ldrs gSa A vè;k;

chth; O;atd

12

2020-21

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