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Question

Find the square root of:

(i) 441961 (ii) 324841 (iii) 42949 (iv) 21425 (v) 2137196

(vi) 2326121 (vii) 25544729 (viii) 754649 (ix) 39422209 (x) 33343025

(xi) 2127973364 (xii) 381125 (xiii) 23394729 (xiv) 2151169 (xv) 10151169

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Solution

(i) 441961=441961

=2131

(ii) 324841=324841

=1829

(iii) 42949=4×49+2949

=196+2949=22549

=157=217

(iv) 21425=2×25+1425

=6425=6425=85=135

(v) 2137196=2×196+137196

=392+137196=529196

=529196

=2314=1914

(vi) 2326121=23×121+26121=2783121

=2809121

=5311=4911

(vii) 25544729=25×729+544729

=18225+544729=18769729

=13727=5227

(viii) 754649=75×49+4649

=3675+4649=372149

=617=857

(ix) 39422209=3×2209+9422209

=6627+9422209=75692209

=8747=14047

(x) 33343025=3×3025+3343025

=9075+3343025=94093025

=9755=14255

(xi) 2127973364=21×3364+27973364

=70644+27973364=734413364

=27158=43958

(xii) 381125=38×25+1125

=950+1125=96125

=315=615

(xiii) 23394729=23×729+394729

=16767+394729=17161729

=13127=42327

(xiv) 2151169=21×169+51169

=3549+51169=3600169

=6013=4813

(xv) 10151225=10×225+151225

=2250+151225=2401225

=4915=3415


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